3:1 heat shrink tubing will slide easily over inline splices and connectors, and shrink down to 33% of its original diameter to fit snugly over any wire, hose or cable management project ...
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The flame retardant jacket of 4:1 heat shrink tubing is tested and approved for use under UL VW-1 and CSA OFT material standards. Additionally, it is in compliance with RoHS, the European directive on the Restriction of Hazardous Substances.
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